.list
	.letter
		background url("../images/icon_letterA.png") 20px 20px no-repeat
		background-size 50px 50px
	.letter.active
		background url("../images/icon_letter.png") 20px 20px no-repeat
		background-size 50px 50px
	.list-item-content
		line-height 30px
.notice-title
	padding: 0 20px
	background #eee